53491235 has 8 divisors (see below), whose sum is σ = 73359456. Its totient is φ = 36679680.

The previous prime is 53491219. The next prime is 53491237. The reversal of 53491235 is 53219435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53491235 - 2⁴ = 53491219 is a prime.

It is a super-2 number, since 2×53491235² = 5722624443650450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53491237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764126 + ... + 764195.

It is an arithmetic number, because the mean of its divisors is an integer number (9169932).

Almost surely, 2^53491235 is an apocalyptic number.

53491235 is a deficient number, since it is larger than the sum of its proper divisors (19868221).

53491235 is a wasteful number, since it uses less digits than its factorization.

53491235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528333.

The product of its digits is 16200, while the sum is 32.

The square root of 53491235 is about 7313.7702315564. The cubic root of 53491235 is about 376.7855234415.

The spelling of 53491235 in words is "fifty-three million, four hundred ninety-one thousand, two hundred thirty-five".